CN215521843U - Hydraulic oil cylinder for speed regulation of large-scale speed reducer - Google Patents
Hydraulic oil cylinder for speed regulation of large-scale speed reducer Download PDFInfo
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- CN215521843U CN215521843U CN202121216262.3U CN202121216262U CN215521843U CN 215521843 U CN215521843 U CN 215521843U CN 202121216262 U CN202121216262 U CN 202121216262U CN 215521843 U CN215521843 U CN 215521843U
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- speed reducer
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Abstract
The utility model discloses a hydraulic oil cylinder for speed regulation of a large-scale speed reducer. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer comprises a cylinder body, a speed reducer shell and a connecting shaft assembly, wherein the connecting shaft assembly is arranged between a piston rod and an input shaft and connects the piston rod and the input shaft into a whole; the connecting shaft assembly comprises a connecting bearing, an inner ring of the connecting bearing is fixedly connected with the input shaft, and an outer ring of the connecting bearing is fixedly connected with the piston rod. The utility model has reasonable design and simple and convenient operation, and the piston plate moves left and right, thereby leading the first output gear to be meshed and connected with the first input gear or leading the second output gear to be meshed and connected with the second input gear.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder for speed regulation of a large-scale speed reducer.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery. The metallurgy, mine and port machinery industries all need large-scale speed reducers with large output torque, reliable operation, strong impact resistance and overload capacity. Once the speed ratio of the speed reducer is selected, the motor is selected, and finally the output speed is fixed. In practice, however, there are many situations where there is a change in the output speed.
The step speed regulation and the step speed regulation are the simplest and most economical speed regulation methods, but are only suitable for small and medium-sized speed reducers, so that a device capable of being used for speed regulation of large-sized speed reducers is urgently needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcomes the defects in the prior art and provides a hydraulic oil cylinder for speed regulation of a large-scale speed reducer.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a hydraulic oil cylinder for speed regulation of a large-scale speed reducer comprises,
the oil cavity is divided into a left oil cavity and a right oil cavity by the piston plate, a left oil port communicated with the left oil cavity and a right oil port communicated with the right oil cavity are respectively arranged on the cylinder body, and a piston rod extending out of the cylinder body is fixed at the left end of the piston plate;
the speed reducer comprises a speed reducer shell, wherein an input shaft and an output shaft are installed on the speed reducer shell, the input end of the input shaft extends out of the speed reducer shell, the output end of the output shaft extends out of the speed reducer shell, a first input gear and a second input gear are sequentially installed on the input shaft from left to right, a first output gear and a second output gear are sequentially installed on the output shaft from left to right, and the first input gear, the second input gear, the first output gear and the second output gear are all arranged in the speed reducer shell;
the connecting shaft assembly is arranged between the piston rod and the input shaft and connects the piston rod and the input shaft into a whole;
the connecting shaft assembly comprises a connecting bearing, an inner ring of the connecting bearing is fixedly connected with the input shaft, and an outer ring of the connecting bearing is fixedly connected with the piston rod.
Furthermore, the left end of the inner ring of the connecting bearing is connected with an installation convex ring, the inner wall of the installation convex ring is lathed with internal threads, and the installation convex ring is in threaded connection with the input shaft; the protective sleeve is installed to the connection bearing outer lane, and the piston rod passes through mounting panel and protective sleeve fixed connection, installs the baffle that prevents the connection bearing and run out on the protective sleeve, and the baffle cover is established outside the input shaft.
Furthermore, the mounting convex ring and the input shaft are provided with pin shafts penetrating through the mounting convex ring and the input shaft.
Furthermore, a first supporting seat for supporting the input shaft is arranged in the speed reducer shell, and a second supporting seat for supporting the connecting shaft assembly is arranged in the speed reducer shell.
Furthermore, the first supporting seat is a supporting cavity, the input shaft is sleeved with a bearing, and the bearing is arranged in the first supporting seat and the bearing outer ring moves left and right along the inner wall of the first supporting seat.
Furthermore, the second supporting seat is a supporting cavity, the connecting shaft assembly is arranged in the second supporting seat, and the connecting shaft assembly moves left and right along the inner wall of the second supporting seat.
The utility model has the beneficial effects that: the utility model has simple structure and the following advantages:
(1) the design is reasonable, the operation is simple and convenient, the piston plate moves left and right, so that the first output gear is meshed with the first input gear, or the second output gear is meshed with the second input gear;
(2) and the hydraulic drive input shaft moves left and right, so that the speed of the large speed reducer is stably regulated, and the working efficiency of the large speed reducer is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic block diagram of state one of the present invention;
FIG. 2 is a schematic diagram of the structure of state two of the present invention;
fig. 3 is a schematic structural view of the coupling assembly.
In the figure: 1. the hydraulic transmission device comprises a cylinder body, 2 a speed reducer shell, 3 a piston plate, 4 a piston rod, 5 a connecting shaft assembly, 6 a left oil port, 7 a right oil port, 8 an input shaft, 9 an output shaft, 10 a first output gear, 11 a second output gear, 12 a first input gear, 13 a second input gear, 14 a first supporting seat, 15 a second supporting seat, 51 a connecting bearing, 52 an installation convex ring, 53 a pin shaft, 54 a protective sleeve, 55 a baffle and 56 an installation plate.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The hydraulic cylinder for speed regulation of the large-scale speed reducer as shown in figures 1-3 comprises,
the oil cavity is divided into a left oil cavity and a right oil cavity by the piston plate 3, a left oil port 6 communicated with the left oil cavity and a right oil port 7 communicated with the right oil cavity are respectively arranged on the cylinder body 1, and a piston rod 4 extending out of the cylinder body 1 is fixed at the left end of the piston plate 3;
the speed reducer comprises a speed reducer shell 2, wherein an input shaft 8 and an output shaft 9 are installed on the speed reducer shell 2, the input end of the input shaft 8 extends out of the speed reducer shell 2, the output end of the output shaft 9 extends out of the speed reducer shell 2, a first input gear 12 and a second input gear 13 are sequentially installed on the input shaft 8 from left to right, a first output gear 10 and a second output gear 11 are sequentially installed on the output shaft 9 from left to right, and the first input gear 12, the second input gear 13, the first output gear 10 and the second output gear 11 are all arranged in the speed reducer shell 2;
the connecting shaft assembly 5 is arranged between the piston rod 4 and the input shaft 8, and the piston rod 4 and the input shaft 8 are connected into a whole; the connecting shaft assembly 5 comprises a connecting bearing 51, the inner ring of the connecting bearing 51 is fixedly connected with the input shaft 8, and the outer ring of the connecting bearing 51 is fixedly connected with the piston rod 4.
The connecting shaft assembly 5 is used for connecting the piston rod 4 and the input shaft 8, the input shaft 8 is blocked by the connecting shaft assembly 5 in the rotating process, and the piston rod 4 does not rotate.
The left end of the inner ring of the connecting bearing 51 is connected with a mounting convex ring 52, the inner wall of the mounting convex ring 52 is provided with internal threads, and the mounting convex ring 52 is in threaded connection with the input shaft 8; a protective sleeve 54 is arranged on the outer ring of the connecting bearing 51, the piston rod 4 is fixedly connected with the protective sleeve 54 through a mounting plate 56, a baffle plate 55 for preventing the connecting bearing 51 from running out is arranged on the protective sleeve 54, and the baffle plate 55 is sleeved outside the input shaft 8; the mounting flange 52 and the input shaft 8 are provided with a pin shaft 53 penetrating the mounting flange 52 and the input shaft 8.
A first supporting seat 14 for supporting the input shaft 8 is arranged in the speed reducer shell 2, and a second supporting seat 15 for supporting the connecting shaft assembly 5 is arranged in the speed reducer shell 2; the first supporting seat 14 is a supporting cavity, the input shaft 8 is sleeved with a bearing, the bearing is arranged in the first supporting seat 14, and the outer ring of the bearing moves left and right along the inner wall of the first supporting seat 14; the second support seat 15 is a support chamber, the connecting shaft assembly 5 is arranged in the second support seat 15, and the connecting shaft assembly 5 moves left and right along the inner wall of the second support seat 15. Be provided with first supporting seat 14 and second supporting seat 15, guarantee that the speed reducer can move steadily at the in-process of speed adjustment, improve work efficiency.
The working process of the hydraulic oil cylinder for speed regulation of the large-scale speed reducer comprises the following steps:
the right oil port 7 is used for feeding oil to push the piston plate 3 to move leftwards, the input shaft 8 moves leftwards through the transmission of the connecting shaft assembly 5, and the first output gear 10 is meshed with the first input gear 12; then the input shaft 8 rotates, the rotation is transmitted through the first input gear 12 and the first output gear 10, and the output shaft 9 outputs the rotating speed outwards;
or the left oil port 6 is used for feeding oil to push the piston plate 3 to move rightwards, the input shaft 8 moves rightwards through the transmission of the connecting shaft assembly 5, and the second output gear 11 is meshed with the second input gear 13; then the input shaft 8 works and rotates, and the rotation speed is transmitted through the second input gear 13 and the second output gear 11, and the output shaft 9 outputs the rotation speed outwards.
Due to the change of the number of teeth of the four gears of the first output gear 10, the second output gear 11, the first input gear 12 and the second input gear 13, the input shaft 8 with the same rotating speed is input, the rotating speed output by the output shaft 9 to the outside is different, and the purpose of adjusting the rotating speed of the speed reducer is achieved.
While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a hydraulic cylinder for large-scale speed reducer speed governing which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the oil cylinder comprises a cylinder body (1), wherein an oil cavity is arranged in the cylinder body (1), a piston plate (3) is arranged in the oil cavity, the piston plate (3) divides the oil cavity into a left oil cavity and a right oil cavity from left to right, a left oil port (6) communicated with the left oil cavity and a right oil port (7) communicated with the right oil cavity are respectively arranged on the cylinder body (1), and a piston rod (4) extending out of the cylinder body (1) is fixed at the left end of the piston plate (3);
the speed reducer comprises a speed reducer shell (2), wherein an input shaft (8) and an output shaft (9) are installed on the speed reducer shell (2), the input end of the input shaft (8) extends out of the speed reducer shell (2), the output end of the output shaft (9) extends out of the speed reducer shell (2), a first input gear (12) and a second input gear (13) are sequentially installed on the input shaft (8) from left to right, a first output gear (10) and a second output gear (11) are sequentially installed on the output shaft (9) from left to right, and the first input gear (12), the second input gear (13), the first output gear (10) and the second output gear (11) are all arranged in the speed reducer shell (2);
the connecting shaft assembly (5) is arranged between the piston rod (4) and the input shaft (8), and the piston rod (4) and the input shaft (8) are connected into a whole;
the connecting shaft assembly (5) comprises a connecting bearing (51), the inner ring of the connecting bearing (51) is fixedly connected with the input shaft (8), and the outer ring of the connecting bearing (51) is fixedly connected with the piston rod (4).
2. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer according to claim 1, characterized in that: the left end of the inner ring of the connecting bearing (51) is connected with a mounting convex ring (52), the inner wall of the mounting convex ring (52) is lathed with internal threads, and the mounting convex ring (52) is in threaded connection with the input shaft (8); a protective sleeve (54) is installed on the outer ring of the connecting bearing (51), the piston rod (4) is fixedly connected with the protective sleeve (54) through a mounting plate (56), a baffle plate (55) for preventing the connecting bearing (51) from running out is installed on the protective sleeve (54), and the baffle plate (55) is sleeved outside the input shaft (8).
3. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer according to claim 2, characterized in that: and the mounting convex ring (52) and the input shaft (8) are provided with pin shafts (53) which penetrate through the mounting convex ring (52) and the input shaft (8).
4. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer according to claim 1, characterized in that: the speed reducer is characterized in that a first supporting seat (14) for supporting the input shaft (8) is arranged in the speed reducer shell (2), and a second supporting seat (15) for supporting the connecting shaft assembly (5) is arranged in the speed reducer shell (2).
5. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer according to claim 4, wherein: the first supporting seat (14) is a supporting cavity, the input shaft (8) is sleeved with a bearing, the bearing is arranged in the first supporting seat (14) in a built-in mode, and the outer ring of the bearing moves left and right along the inner wall of the first supporting seat (14).
6. The hydraulic oil cylinder for speed regulation of the large-scale speed reducer according to claim 4, wherein: the second supporting seat (15) is a supporting cavity, the connecting shaft assembly (5) is arranged in the second supporting seat (15) in a built-in mode, and the connecting shaft assembly (5) moves left and right along the inner wall of the second supporting seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216262.3U CN215521843U (en) | 2021-06-01 | 2021-06-01 | Hydraulic oil cylinder for speed regulation of large-scale speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216262.3U CN215521843U (en) | 2021-06-01 | 2021-06-01 | Hydraulic oil cylinder for speed regulation of large-scale speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521843U true CN215521843U (en) | 2022-01-14 |
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ID=79806256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121216262.3U Active CN215521843U (en) | 2021-06-01 | 2021-06-01 | Hydraulic oil cylinder for speed regulation of large-scale speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521843U (en) |
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2021
- 2021-06-01 CN CN202121216262.3U patent/CN215521843U/en active Active
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